Barrel support



FIG. 1 is a top view of a barrel support showing my new design;

FIG. 2 is an elevational view thereof, the opposite side being the same;

FIG. 3 is an end view thereof, the opposite end being the same;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a top perspective view thereof. 

The ornamental design for a barrel support, as shown and described. 